44 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
 | |
|  * s p o r t . h			-- String ports management
 | |
|  *
 | |
|  * Copyright © 1993-1996 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.fr>
 | |
|  * 
 | |
|  *
 | |
|  * Permission to use, copy, and/or distribute this software and its
 | |
|  * documentation for any purpose and without fee is hereby granted, provided
 | |
|  * that both the above copyright notice and this permission notice appear in
 | |
|  * all copies and derived works.  Fees for distribution or use of this
 | |
|  * software or derived works may only be charged with express written
 | |
|  * permission of the copyright holder.  
 | |
|  * This software is provided ``as is'' without express or implied warranty.
 | |
|  *
 | |
|  * This software is a derivative work of other copyrighted softwares; the
 | |
|  * copyright notices of these softwares are placed in the file COPYRIGHTS
 | |
|  *
 | |
|  *
 | |
|  *            Author: Erick Gallesio [eg@unice.fr]
 | |
|  *    Creation date: 17-Feb-1993 12:27
 | |
|  * Last file update:  6-Oct-1996 22:07
 | |
|  *
 | |
|  *
 | |
|  * This is achieved in a (surely very) dependant way. A string port is implemented
 | |
|  * via a pseudo FILE descriptor malloc'd when open-input-string is called. This 
 | |
|  * descriptor is released when free-string-port is called.
 | |
|  */
 | |
| 
 | |
| #define SPORT_SIGNATURE	0xabcdef00	/* Magic number for a string port	*/
 | |
| #define START_ALLOC	128		/* Initial size of an ouput string port */
 | |
| #define READING		01
 | |
| #define WRITING		02
 | |
| 
 | |
| struct str_iob {
 | |
|   long int		signature;
 | |
|        short		flag;
 | |
|        int		cnt;
 | |
|        unsigned char 	*ptr;
 | |
|        unsigned char 	*base;
 | |
|        int		bufsiz;
 | |
| };
 | |
| 
 | |
| 
 |